Vintage "Mr. Yowder And The Steamboat" - Glen Rounds - 1977 The product is a vintage hardcover book titled "Mr. Yowder And The Steamboat" by Glen Rounds, published in 1977. The book is illustrated by the author, Glen Rounds, and features a captivating storyline suitable for children. With a focus on action and adventure, this collectible book is a timeless treasure for book enthusiasts and collectors alike. It offers a nostalgic glimpse into the world of children's literature from the late 1970s, making it a valuable addition to any collection.